diff options
Diffstat (limited to 'core/cortex-m0/panic.c')
| -rw-r--r-- | core/cortex-m0/panic.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/core/cortex-m0/panic.c b/core/cortex-m0/panic.c index 2b17a1bd73..2ba22c6998 100644 --- a/core/cortex-m0/panic.c +++ b/core/cortex-m0/panic.c @@ -166,28 +166,47 @@ void exception_panic(void) ); } -void software_panic(uint32_t panic_reason, uint32_t panic_info) +#ifdef CONFIG_SOFTWARE_PANIC +void software_panic(uint32_t reason, uint32_t info) { __asm__("mov " STRINGIFY(SOFTWARE_PANIC_INFO_REG) ", %0\n" "mov " STRINGIFY(SOFTWARE_PANIC_REASON_REG) ", %1\n" "bl exception_panic\n" - : : "r"(panic_info), "r"(panic_reason)); + : : "r"(info), "r"(reason)); } -void panic_log_watchdog(void) +void panic_set_reason(uint32_t reason, uint32_t info, uint8_t exception) { uint32_t *lregs = pdata_ptr->cm.regs; - /* Watchdog reset, log panic cause */ + /* Setup panic data structure */ memset(pdata_ptr, 0, sizeof(*pdata_ptr)); pdata_ptr->magic = PANIC_DATA_MAGIC; pdata_ptr->struct_size = sizeof(*pdata_ptr); pdata_ptr->struct_version = 2; pdata_ptr->arch = PANIC_ARCH_CORTEX_M; - lregs[3] = PANIC_SW_WATCHDOG; + /* Log panic cause */ + lregs[1] = exception; + lregs[3] = reason; + lregs[4] = info; } +void panic_get_reason(uint32_t *reason, uint32_t *info, uint8_t *exception) +{ + uint32_t *lregs = pdata_ptr->cm.regs; + + if (pdata_ptr->magic == PANIC_DATA_MAGIC && + pdata_ptr->struct_version == 2) { + *exception = lregs[1]; + *reason = lregs[3]; + *info = lregs[4]; + } else { + *exception = *reason = *info = 0; + } +} +#endif + void bus_fault_handler(void) { if (!bus_fault_ignored) |